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Sex and STD/HIV Education Programs Covering Both Abstinence and Condoms or Contraception
Evaluations of these programs strongly support the conclusion that sexuality and HIV education curricula do not increase sexual intercourse, either by hastening the onset of intercourse, increasing the frequency of intercourse, or increasing the number of sexual partners. Twenty-eight studies meeting the criteria discussed above have examined the impact of middle school-, high school-, or community-based sexuality or HIV education programs on the initiation of intercourse. Nine of them (or about one-third) found that the programs delayed the initiation of sex (Aarons et al., 2000; Blake et al., 2000; Coyle, Kirby, Marin, Gomez, & Gregorich, 2000; Ekstrand et al., 1996; Howard & McCabe, 1990; Hubbard, Giese, & Rainey, 1998; Jemmott, Jemmott, & Fong, 1998; Kirby, Barth, Leland, & Fetro, 1991; Klaus et al., 1987; St. Lawrence et al., 1995). Eighteen found no significant impact (Coyle et al., 1999; Eisen, Zellman, & McAlister, 1990; Gottsegen & Philliber, 2000; Jemmott, Jemmott, & Fong, 1992, 1998; Kirby, 1985; Kirby, Korpi, Adiri, & Weissman, 1997; Levy et al., 1995; Lieberman, Gray, Wier, Fiorentino, & Maloney, 2000; Little & Rankin, 2001; Main et al., 1994; Nicholson & Postrado, 1991; Thomas et al., 1992; Walter & Vaughn, 1993; Warren & King, 1994). Only 1 study out of 28 found that a sex or HIV education program hastened the initiation of sex (Moberg & Piper, 1998). It should be noted that this particular program did not focus primarily upon sexual behavior, but was a comprehensive program that addressed tobacco, alcohol, marijuana, and nutrition, as well as sexual behavior. Overall, these studies provide very strong evidence that sex and HIV education programs do not hasten sex and that some of them actually delay sex.
Nineteen studies examined the impact of sexuality and HIV education programs on the frequency of intercourse. Five studies found that they reduced the frequency of sex (Coyle et al., 2001; Howard & McCabe, 1990; Jemmott et al., 1992, 1998; St. Lawrence et al. &, 1995). Thirteen found no significant impact (Blake et al., 2000; Coyle et al., 1999; Jemmott et al., 1998; Kirby, 1985; Kirby et al., 1991; Kirby, Korpi, Adivi, & Weissman, 1997; Levy et al., 1995; Little & Rankin, 2001; Main et al., 1994; Moberg & Piper, 1990; Rotheram-Borus, Koopman, Haigners, & Davies, 1991). Only 1 of 19 studies found a significant increase in frequency (Moberg & Piper, 1998). Again, this is strong evidence that sex and HIV education programs do not increase the frequency of sex and that some of them reduce the frequency.
Finally, of the 10 studies that examined impact on number of sexual partners, 3 found a significant decrease in partners (Jemmott et al., 1992; Main et al., 1994; St. Lawrence et al., 1995), 7 found no impact (Coyle et al., 1999; Gillmore et al., 1997; Kirby et al., 1991; Kirby, Korpi, Adivi, & Weissman, 1997; Levy et al., 1995; Little & Rankin, 2001; Magura, Kang, & Shapiro, 1994), and none found a significant increase. Once more, this is strong evidence that these programs do not increase the number of sexual partners.
In sum, these data strongly indicate that sex and HIV education programs do not significantly increase any measure of sexual activity, as some people have feared, and that to the contrary, may delay or reduce sexual intercourse among teens. These results are also consistent with reviews of programs evaluated in other countries that have also found that sex and HIV education programs do not increase any measure of sexual activity (Grunseit, Kippax, Aggleton, Baldo, & Slutkin, 1997).
These studies also demonstrate that some programs increased condom use or contraceptive use more generally. Of the 18 programs for which impact on condom use was evaluated, 10 programs (or more than half) significantly increased some measure of condom use (Coyle et al., 1999; Hubbard et al., 1998; Jemmott et al., 1992, 1998; Magura et al., 1994; Main et al., 1994; Rotheram-Borus et al., 1991; St. Lawrence et al., 1995; Walter & Vaughn, 1993). Similarly, 4 of 11 programs that measured contraceptive use more generally significantly increased its use (Aarons et al., 2000; Coyle et al., 1999; Gottsegen & Philliber, 2000; Kirby et al., 1991). None of the programs reduced either condom or contraceptive use. Taken together, these results are quite positive.
A disproportionate number of the programs that significantly increased either condom or contraceptive use more generally were HIV education programs that increased condom use. Eight out of 11 HIV education programs found significant effects on condom use, while two out of seven sex education programs found significant effects on condom use and 4 out of 11 sex education programs found significant effects on contraceptive use more generally. It cannot yet be determined whether HIV education programs are inherently more effective than more general sex education programs that cover pregnancy, STDs, HIV, and other topics, or whether HIV education programs have simply been better funded, provided better training, had studies with larger sample sizes, or had some other advantage that might improve effectiveness. The special effectiveness of HIV education programs may also reflect the fact that AIDS is undoubtedly a more salient threat than pregnancy for high-risk males in some, but not all, communities.
The data also suggest that these sex and HIV education programs may be more effective with higher risk youth than with lower risk youth. This may be partly due to the behavioral characteristics of high-risk youth--that is, when youth engage in a large amount of unprotected sex, there is greater room for improvement than if they engage in little unprotected sex to begin with. In addition, these findings may be due, in part, to methodological and statistical factors. A program that reduces the proportion of lower risk youth who initiate sex from 6% to 4% is more difficult to measure than a program that reduces the proportion of higher risk youth who initiate sex from 12% to 8%, even though the proportional reductions are the same.
The strength of the evidence for the effectiveness of some sex and HIV education programs has improved considerably during recent years. In 1997, No Easy Answers raised serious concerns about the methodological rigor of some of the studies evaluating these programs (Kirby, 1997). It noted that (a) many studies did not include random assignment, large sample sizes, long-term follow-up, measurement of behavior, and proper statistical analyses, and (b) the few studies that did include all these methodological strengths failed to find positive and significant effects on behavior (Kirby, Korpi, Adivi, & Weissman, 1997; Kirby, Korpi, Barth, & Cagampang, 1997; Thomas et al., 1992). However, there are now three studies with random assignment, large sample sizes, long-term follow-up, measurement of behavior, and proper statistical analyses that have shown statistically significant and programmatically important reductions in adolescent sexual risk-taking (Coyle et al., 1999; Jemmott et al., 1998; St. Lawrence et al., 1995). These three studies clearly indicate that certain school-based and community-based sex and HIV education programs can delay sex, decrease the frequency of sex, increase condom or contraceptive use, or decrease unprotected sex. In previous years, few studies measured or found long-term effects. However, that too has changed. Several recent studies have found lasting effects for 1 year, some have found effects for about 18 months, and one study found effects that lasted at least 31 months after the intervention (Coyle et al., 2001).
Protocols for Health Clinic Appointments and Supportive Activities
The first of the four studies evaluated a very modest intervention for female patients with chlamydia (Orr, Langefeld, Katz, & Caine, 1996). A nurse spent about 10 to 20 minutes discussing chlamydia with the aid of a pamphlet, demonstrated how to put a condom on a banana (and got the patient to practice), and engaged the patient in a brief role-play involving a woman getting her partner to use a condom. An experimental design was used to measure the impact at 6 months and found that those youth who received the special instruction were substantially more likely to use condoms than those youth who received the standard intervention.
The second study evaluated a program for males that included two parts: (a) a slide-tape program that focused on anatomy, STDs, contraception, couple communication, and access to health services; and (b) a visit with a health care practitioner who focused on contraception, reproductive health goals, health risks, and the patient's related interests. Both parts emphasized abstinence and the use of contraception if sexually active. A strong experimental design and questionnaire data collected a year later indicated that the program did not significantly affect sexual activity but did increase use of contraception, especially by the males' partners and by program participants who were not sexually experienced at baseline (Danielson, Marcy, Plunkett, Wiese, & Greenlick, 1990).
The third effective program focused on HIV/STD prevention and served equal percentages of males and females (Boekeloo et al., 1999). It included a 15-minute audiotaped risk assessment and education program, a discussion ice-breaker, two brochures on skills and ways to avoid unprotected sex, a brochure on community resources, and parent brochures. On a one-to-one basis, the patient's physician then reviewed the risk assessment with the patient and discussed concerns and methods of avoiding unprotected sex. An experimental design indicated that the program increased use of condoms during the 3 months after the intervention.
In the fourth study, a family planning clinic substantially improved its clinic protocol for adolescents by placing greater focus upon nonmedical problems, providing more information and more counseling, delaying the medical examination until the second visit, and giving more attention to partner and parent involvement (Winter & Breckenmaker, 1991). It also designated one staff person as a teen counselor. The study did not have a strong evaluation design, but its results indicate that it did increase contraceptive use.
The fact that four of these six studies found positive effects on behavior with such brief, modest interventions is quite encouraging. It should be noted that all four of the effective interventions focused on sexual and contraceptive behavior, gave clear messages about appropriate sexual and contraceptive behavior, and included one-on-one consultation about the client's own behavior. At the very least, these studies suggest that such approaches should be further developed and rigorously evaluated. These results should also encourage medical providers to review their instructional protocols with youth and to spend more time talking with individual adolescent patients about their sexual and contraceptive activity.
Service Learning Programs
The study of the CAS-Carrera programs was a very rigorous one. It included multiple sites, random assignment, a large sample size, long-term measurement, measurement of behavior, and proper statistical analyses. The study found that, after 3 years and among girls, the program significantly delayed the onset of sexual intercourse, increased the use of condoms as a secondary method with another highly effective methods of contraception, reduced pregnancy rates, and reduced birth rates. Among males, the program did not have significant positive behavioral effects, but the study did have one unexpected finding--males in the programs were significantly less likely to report using both condoms and another highly effective contraception method at last sex than boys in the control group. This was found among males who had initiated sexual activity prior to the onset of the program. Notably, these findings are reported for all the members of the treatment and control groups, even though some members of the treatment group (especially the boys) did not participate extensively in the program, and some members of the control group received a few services from the same organization or other organizations in the community.
This study of the CAS-Carrera programs is the first and only evaluation to date using random assignment, multiple sites, and a large sample size that found a positive impact on sexual and contraceptive behavior and pregnancy and birth rates among girls for as long as 3 years. In fact, the pregnancy rate among girls in the intervention group was less than half the rate among the control group (10% vs. 22%). These are strong, very important results. It should also be recognized that this is a complex program to implement, requiring significant financial and staff resources, and sites that do not implement all the components or that do not fully engage young people over time cannot expect to achieve these positive results.
Discussion and Conclusions
This does not mean, however, that all youth should participate in intensive programs that address both groups of antecedents. After all, some youth may have all the needed knowledge and skills regarding contraception but may simply lack the motivation to avoid pregnancy, while others may lack the knowledge, attitudes, or skills but have connections with adults, a belief in the future, and the motivation to avoid pregnancy. Thus, for different groups of youth, it is important to determine the reasons for their sexual risk-taking and to then select the proper program.
In sum, it is very encouraging that there are now four different and somewhat complimentary types of programs for adolescents with rather strong evidence that they effectively reduce either unprotected sex that place youth at risk of pregnancy or STD/HIV, or that they reduce actual pregnancy.
- Kirby, Douglas; Effective approaches to reducing adolescent unprotected sex, pregnancy and childbearing; Journal of Sex Research; Feb 2002; Vol. 39; Issue 1.The article above contains foundational information. Articles below contain optional updates.
Reflection Exercise #6
The article above contains foundational information. Articles below contain optional updates.
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